870 86. Xylola. 



*) trocliaiileiibus posticis in ^ apice brevilcr 

 uni- 1. bidcnlatis. 



2. X. sy/varnm: ajuescenli nigra , griseo-pubesccns, 

 anlennis obscuris, abdominis apice aureo-lomentoso; libi- 

 aruni tarsorumque basi pallide flavis. J^. Long. circ. 5 lin.). 



Meig. Dipl. 3. 223. 17. ^^. Macq. Buff. J. 520. 1. 

 3Iiisca Linn. Fn. Su. 1801. Milesia Fabr. Anll. 19L \X 

 FalL Syrph. 10. 4. ^'^. Syrp/uis impiger Panz. Fn. Germ. 

 15. 21. $. 



Hab. in neniorum floribus d- foliis frulicum, per 

 Scandinaviam nicridionalcm & mediam, M) Jun. — 18 

 Aug., haud rara ; scilicel ii» Scania ad Abusa, Lindhol- 

 nien , Krageholm , Espcrdd dc. , sat frequens; in Smo- 

 bindia ad Berga; in Oslrogolhia ad Hagalund cC Ris- 

 marken prope Wadslena, Larkelorp, Gusum, Jonsberg 

 cfec, passim; in Olandia cfc Golllandia parce; in Uplandia 

 ad Holmiam; in Dania rarius, D. Slaeger. (V^arielatem 

 (} libiis lolis flavis e Sudelis a D. Ze//er oblinui). 



0+' Ej)ist<»nia cinered-pollinosim» giabnini. AntennsE basj 

 nigree , articulo ultimo fusco , obscuro 1. nigiicante, seta 

 concolore. Krons in o cineieo-pollinosa , in $ int)ilice la- 

 ta nigra, nitida, niecho niacnla utrinqne albo-niicante. Ver- 

 tex niger, griseo-pilosus. Tliorax senescens , in o longius, in 

 ? breviter, griseo-pubescens. Pleurse striga aureo-pih)sa, 

 Abdonien atrum , segmentis 4. to toto, 3:lio macuta utrinque 

 triangulari, aureo-tomentosis. Alee hyalinae , nervis 2 trans- 

 versis apicalibus ut in priore, at ordinaiio niedio magis 

 obliquo. Stignia melleum. Squamee & halteres, pallida. 

 l'edes nigri , (lavido-pubescentes , geniculis sumniis, tibiarum 

 basi fere ad niedinm, tarsoiiinjque articulis 3 priniis, albi- 

 do-flavis. Feinora postica niodice crassa, trochanteribus in 

 S apice bidentatis. 



